highway sign won't be used in the case. instead authorities would alert the news media and neighboring law enforcement agency. 30 other states already have some form of the silver alert program. >>> with millions on vacation this holiday unwelcome headline tonight for hundreds of passengers on 2 separate cruise ships. holiday trips turned in a nightmare when so many of them became very sick. matt is in miami. >>reporter: it advertises comfort. luxury. fine dining. >> now sailing on the grandest ocean liner ever. queen mary 2. >>reporter: but now the huge ocean liner one of 3 cruises just this week to be rocked by mass outbreak of the stomach flu. 194 queen mary passengers reported contracting the bug believed to be the highly contagious knurl virus. >> even resist most of the disinfectant used to clean variabilityal surfaces. >>reporter: just touch something like this and put it to your mouth and get the viru virus. >> right no, treatment for the bug. some passengers on the queen mary say the captain suggested they steer cl